The phrase "a constant and effective" is correct and usable in written English.
It can be used to describe something that is consistently reliable and produces desired results over time.
Example: "The team implemented a constant and effective strategy to improve productivity across all departments."
Alternatives: "a consistent and efficient" or "a steady and impactful".
Plank has become a constant and effective speech-maker, enlivening his earnest corporate paeans with jockish expressions of good cheer.
In documents on organizing grass-roots supporters, the Fifth Republic Movement warns that the "oligarchy is well organized and executes a constant and effective counterrevolutionary campaign".
But here is the surprise: because he insisted on what he called "a constant and effective will," he made the tackling of such problems, not just the naming of them, seem a matter of ordinary action.
Can we consider both social, ethical and public health issues by means of a constant and effective monitoring of the food chain and by a clear, informative labeling of the products?
The impressive Hernandez was a constant and effective outlet for the hosts and his run and shot forced Robles, again deputising for the injured Tim Howard, into a smart save.
For the calculation of S, the values of mobility, thermal velocity, dielectric constant, and effective mass of an electron in ZnSe are considered from [8].
Iran beamed constant and effective propaganda at the Iraqi people, casting America as a brutal conqueror bent on devouring their country.
"I attribute these results to establishing constant and effective supervision and, especially, the awareness campaign, which has really changed driver behaviour," he said.
where Φb, d, ε0, εr, and A* are the interface potential barrier height, depletion layer thickness, dielectric permittivity of the vacuum, dynamic dielectric constant, and effective Richardson's constant, respectively.
